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1SWASP J024148.62+372848.3: A spotted overcontact binary system under the short-period limit
Jiang LQ(江林巧)1,2,3; Qian SB(钱声帮)1,2,3; Zhu LY(朱俐颖)1,2,3; Zhang J(张嘉)1,2; Zhou X(周肖)1,2,3; Jiang, LQ (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊NEW ASTRONOMY
2015-11
卷号41页码:22-25
DOI10.1016/j.newast.2015.04.007
产权排序第1完成单位
收录类别SCI
关键词Stars: Binaries: Close Stars: Binaries: Eclipsing Stars: Individual (1swasp j024148.62+372848.3) Stars: Stellar Activity
摘要With the 2013 version of W-D code, we derived the photometric solutions for the new discovered.extremely short-period eclipsing binary 1SWASP J024148.62+372848.3 based on its complete RI c light curves. The results show that the system is a W-type overcontact system with a filling-out factor of 23% and a mass ratio of q = 1.23, thus it is a new target which belongs to the rare group of overcontact binary with period under the short period limit (0.22 days). The obviously asymmetries found in its light curves could be explained well by the high spots coverage on the two components which have strong magnetic activities due to their late type nature. A third light contributing about 40% of the total light has been detected during the light curve analysis. This additional component may play an important role in the formation of 1SWASP J024148.62+372848.3, just like those in other overcontact binaries below the limit. (C) 2015 Published by Elsevier BM.
项目资助者Chinese Natural Science Foundation(11133007,11325315) ; Strategic Priority Research Program The Emergence of Cosmological Structures of the Chinese Academy of Sciences(XDB09010202) ; Science Foundation of Yunnan Province(2012HC011,2013FB084)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1384-1076
URL查看原文
归档日期2015-06-04
WOS记录号WOS:000368045200005
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]LOW-MASS STARS ; CONTACT BINARY ; SDSS J001641-000925 ; ECLIPSING BINARIES ; MAGNETIC ACTIVITY ; VELOCITY CURVES ; LIGHT CURVES ; CC-COMAE ; CANDIDATES ; PARAMETERS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9409
专题双星与变星研究组
中国科学院天体结构与演化重点实验室
通讯作者Jiang, LQ (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, P.O. Box 110, 650011 Kunming, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, China
3.University of the Chinese Academy of Sciences, Beijing 100049, China
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Jiang LQ,Qian SB,Zhu LY,et al. 1SWASP J024148.62+372848.3: A spotted overcontact binary system under the short-period limit[J]. NEW ASTRONOMY,2015,41:22-25.
APA Jiang LQ,Qian SB,Zhu LY,Zhang J,Zhou X,&Jiang, LQ .(2015).1SWASP J024148.62+372848.3: A spotted overcontact binary system under the short-period limit.NEW ASTRONOMY,41,22-25.
MLA Jiang LQ,et al."1SWASP J024148.62+372848.3: A spotted overcontact binary system under the short-period limit".NEW ASTRONOMY 41(2015):22-25.
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